CN106923494A - A kind of synchronous push rod and the desk using the synchronous push rod - Google Patents

A kind of synchronous push rod and the desk using the synchronous push rod Download PDF

Info

Publication number
CN106923494A
CN106923494A CN201710304645.8A CN201710304645A CN106923494A CN 106923494 A CN106923494 A CN 106923494A CN 201710304645 A CN201710304645 A CN 201710304645A CN 106923494 A CN106923494 A CN 106923494A
Authority
CN
China
Prior art keywords
push rod
screw rod
telescopic screw
synchronous push
synchronization steering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710304645.8A
Other languages
Chinese (zh)
Inventor
郑祥云
李威峄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710304645.8A priority Critical patent/CN106923494A/en
Publication of CN106923494A publication Critical patent/CN106923494A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00Details of tables or desks
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00Details of tables or desks
    • A47B13/02Underframes

Landscapes

  • Transmission Devices (AREA)

Abstract

The invention provides a kind of synchronous push rod,Including transmission component,First telescopic screw rod,Second telescopic screw rod,First screw,Second screw,First telescopic screw rod is arranged on the second telescopic screw rod top,First telescopic screw rod passes through the first screw and its tooth is mutually twisted,Second telescopic screw rod passes through the second screw and its tooth is mutually twisted,First telescopic screw rod top is fixedly connected with transmission component,First telescopic screw rod is opposite tooth with the second telescopic screw rod,The bottom of the first telescopic screw rod is fixedly installed the first synchronization steering sliding block,The second synchronization steering sliding block is fixedly installed at the top of second telescopic screw rod,Synchronization steering conduit is provided between first screw and the second screw,Internal spline is provided with synchronization steering conduit,First synchronization steering sliding block,Second synchronization steering sliding block is provided with external splines,Internal spline and external splines are mutually twisted.A kind of desk using the synchronous push rod is also provided, its simple structure is easy to promote.

Description

A kind of synchronous push rod and the desk using the synchronous push rod
Technical field
The present invention relates to lifting technology field, more particularly to a kind of synchronous push rod and the desk using the synchronous push rod.
Background technology
Desk, chair, sick bed in family, medical place etc. etc., often need to realize the lifting of desk, chair, sick bed etc., Meet different demands.Telescoping tube or expansion link used in general electric elevatable table are mostly three section lifting structures, it Concrete structure is usually, including inner tube, the tube and the outer tube, in the rear end insertion of inner tube in pipe, in the rear end insertion outer tube of middle pipe, Then the motor for being set above outer tube drives screw rod to rotate, and screw rod is provided with nut, and nut is fixedly connected with inner tube, inner tube without Method is rotated relative to middle pipe, therefore nut cannot follow screw rod to rotate, and along the axial movement of screw rod, so as to drive inner tube to stretch Contracting, such as during telescopic tube, inner tube and middle pipe simultaneous retractable, after inner tube and middle pipe also stretch out nominal length, motor stops work Make, when telescoping tube shrinks, electric motor driven screw is axially moved nut-screw, drive inner tube and middle pipe to retract, when inner tube is with Pipe is retracted into the setting position of outer tube, and motor is stopped.
The content of the invention
It is an object of the present invention in view of the shortcomings of the prior art, there is provided a kind of height-adjustable synchronous push rod.
The technical scheme that is used to achieve the above object of the present invention for:
A kind of synchronous push rod, including transmission component, also including the first telescopic screw rod, the second telescopic screw rod, the first screw, second Mother, the first telescopic screw rod is arranged on the second telescopic screw rod top, and the first telescopic screw rod is through the first screw and both silk teeth are mutual Occlusion, the second telescopic screw rod passes through the second screw and both silk teeth are mutually twisted, and the first telescopic screw rod is mutual with the second telescopic screw rod It is opposite tooth, the first telescopic screw rod top is fixedly connected with transmission component, and the bottom of the first telescopic screw rod is fixedly installed first Synchronization steering sliding block, is fixedly installed the second synchronization steering sliding block, the first screw and the second screw at the top of the second telescopic screw rod Between be provided with synchronization steering conduit, be provided with internal spline in synchronization steering conduit, it is the first synchronization steering sliding block appearance, second same Step guide runner appearance is provided with external splines, and internal spline and external splines are mutually twisted, and the first synchronization steering sliding block, second are synchronously Guide runner can do axially reciprocating in synchronization steering conduit in spline mode.
Preferably, fixation kit and second also is installed including first and fixation kit is installed, first installs fixation kit is set At the top of synchronous push rod, the second installation fixation kit is arranged on synchronous push rod bottom.
Preferably, the first screw is connected by second bearing with synchronization steering tube at one end, and the second screw passes through the 3rd axle Hold and be connected with the synchronization steering conduit other end.
Preferably, the synchronous push rod middle part is also arranged with load-bearing outer tube.
A kind of desk using described synchronous push rod is also provided, the desk includes the top peace of table leg, table top Dress portion, table leg includes bottom support, the outer tube being vertically and fixedly arranged in the support of bottom, the middle pipe being set in outer tube, is arranged Inner tube in middle pipe, middle pipe can be moved back and forth in outer inner telescoping tube, and inner tube can be moved back and forth in middle inner telescoping tube, the synchronization Push rod is arranged in inner tube, and the synchronous push rod upper end is fixedly connected on top installation portion, the synchronous push rod with inner tube upper end Bottom is fixedly connected with outer pipe bottom, and synchronous push rod middle part is arranged with load-bearing outer tube, and load-bearing outer pipe bottom is fixed with middle bottom of the tube Connection.
The solution have the advantages that, by setting two screw mandrels of opposite tooth each other, make screw mandrel when needing to heighten, incite somebody to action Two screw mandrels stretch out simultaneously, and collective effect heightens object, it is necessary to when reducing table height, two screw mandrels be retracted simultaneously, altogether Same-action turns down object.Its simple structure, is easy to promote.
The invention is specifically described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of synchronization push rod preferred embodiment of the invention.
Fig. 2 is the leg structure of collapsible schematic diagram of present pre-ferred embodiments.
Fig. 3 is the structural representation of the preferred embodiment of desk of the invention.
Wherein corresponding relation is, inner tube 10, synchronous push rod 20, transmission component 201, and first installs fixation kit 202, second Fixation kit 203, the first telescopic screw rod 204, the second telescopic screw rod 205, the first screw 206, the second screw 207, load-bearing are installed Outer tube 208, synchronization steering conduit 209, the first synchronization steering sliding block 210, the second synchronization steering sliding block 211, clutch shaft bearing 212, Second bearing 213,3rd bearing 214, fourth bearing 215, middle pipe 30, outer tube 40, bottom support 50, top installation portion 60.
Specific embodiment
Referring to accompanying drawing 1-3, there is provided a kind of desk that height is adjusted using synchronous push rod, including table leg, table leg include bottom Support 50, the outer tube 40 being vertically set in bottom support 50, are set in the middle pipe 30 in outer tube 40, are set in middle pipe 30 Inner tube 10, middle pipe 30 can stretch reciprocating motion in outer tube 40, and inner tube 10 can stretch reciprocating motion, table top in middle pipe 30 Top installation portion 60 is provided with, inner tube 10 is fixedly connected with top installation portion 60.Synchronous push rod 20 is arranged in inner tube 10, synchronous The upper end of push rod 20 is fixedly connected with the upper end of inner tube 10, and the middle part of synchronous push rod 20 is arranged with load-bearing outer tube 208, the bottom of load-bearing outer tube 208 Portion is fixedly connected with the bottom of middle pipe 30, and the bottom of synchronous push rod 20 is fixedly connected with the bottom of outer tube 40 and bottom support 50.With same The lifting of push rod 20 is walked, drives inner tube 10 and middle pipe 30 to lift simultaneously, so as to realize the regulation of table height.
Synchronous push rod 20 includes transmission component 201, and first installs fixation kit 202, and second installs fixation kit 203, passes Dynamic component 201 can take manual transmission to drive, and can also take motorized motions mode to drive.First installation fixation kit 202 sets Put at the top of synchronous push rod 20, one end is fixedly mounted on synchronous push rod 20, the other end is fixed with table top installation portion 60 and connected Connect;Second installation fixation kit 203 is arranged on the bottom of synchronous push rod 20, one end is fixedly connected with synchronous push rod 20, the other end and Outer tube 40 and bottom support 50 are fixedly connected, and the bottom of synchronous push rod 20 is fixedly connected with outer tube 40 and bottom support 50.
Synchronous push rod 20 has the first telescopic screw rod 204, the second telescopic screw rod 205, the first screw 206, the second screw 207, the first telescopic screw rod 204 is arranged on the top of the second telescopic screw rod 205, the first telescopic screw rod 204 through the first screw 206 and Both silk teeth are mutually twisted so that the motion in the first screw 206 of the first telescopic screw rod 204;Second telescopic screw rod 205 is through the Two screws 207 and both silk teeth are mutually twisted so that the motion in the second screw 207 of the second telescopic screw rod 205.
The top of first telescopic screw rod 204 is fixedly connected with transmission component 201 and obtains rotary driving force from transmission component 201 Realize the rotation and lifting in the first screw 206.First telescopic screw rod 204 and the second telescopic screw rod 205 opposite tooth each other, i.e., when When one telescopic screw rod 204 is positive tooth, the second telescopic screw rod 205 is reverse tooth;When the first telescopic screw rod 204 is reverse tooth, Second telescopic screw rod 205 is positive tooth.
The bottom of the first telescopic screw rod 204 is fixedly installed the first synchronization steering sliding block 210, the second telescopic screw rod 205 Top is fixedly installed the second synchronization steering sliding block 211, and fixation kit 203 is installed in the bottom of the second telescopic screw rod 205 with second It is fixedly connected.It is provided with synchronization steering conduit 209 between first screw 206 and the second screw 207, the first screw 206 is by the Two bearings 213 are connected with the one end of synchronization steering conduit 209, and the second screw 207 is by 3rd bearing 214 and synchronization steering conduit 209 other ends are connected, and internal spline is provided with synchronization steering conduit 209, and the appearance of the first synchronization steering sliding block 210, second are synchronously The appearance of guide runner 211 is provided with external splines, and internal spline and external splines are mutually twisted, and makes the first synchronization steering sliding block 210, Two synchronization steering sliding blocks 211 can do axially lifting and move back and forth in synchronization steering conduit 209 with spline motion mode.
The operation principle of the height-adjustable synchronous push rod of the embodiment of the present invention is:When needing desk to rise, transmission group The output driving power of part 201 obtains the first telescopic screw rod 204 to rise rotation driving power, and initially axially ascending motion drives the One synchronous guide runner 210 does axial ascending motion in synchronization steering conduit 209 with spline, synchronization steering conduit 209 also with Rotated with the first synchronization steering sliding block 210, drive the second synchronization steering sliding block 211 to be axially moved with spline, due to Second telescopic screw rod 205 and the first telescopic screw rod 204 opposite tooth each other, so that the second telescopic screw rod 205 obtains driving downwards Power, now, the first synchronization steering sliding block 210, the second synchronization steering sliding block 211 are gradually distance from, the first telescopic screw rod 204, second Telescopic screw rod 205 stretches out to two ends simultaneously, and collective effect drives the lifting of table height.
When needing desk and reducing, the output driving power of transmission component 201 makes the first telescopic screw rod 204 obtain the rotation for declining to drive Dynamic power, the first telescopic screw rod 204 is obtained and declines rotation driving power, and initially axially descending motion drives the first synchronization steering Sliding block 210 does descending motion in synchronization steering conduit 209 with spline, and synchronization steering conduit 209 also follows the first synchronization steering to slide Block 210 rotates, and drives the second synchronization steering sliding block 211 to do rotation retraction movement with spline, due to the second telescopic screw rod 205 with the first telescopic screw rod 204 opposite tooth each other so that the second telescopic screw rod 205 is obtained drives up power, now, first Synchronization steering sliding block 210, the second synchronization steering sliding block 211 are moved closer to, and the first telescopic screw rod 204, the second telescopic screw rod 205 are same When from two ends retract, collective effect drive table height decline.
Certainly, this invention can also have other to convert, it is not limited to which above-mentioned implementation method, those skilled in the art are had Standby knowledge, can also various changes can be made without departing from the inventive concept of the premise, such change all should fall in this hair In bright protection domain.

Claims (5)

1. a kind of synchronous push rod, including transmission component, it is characterised in that also including the first telescopic screw rod, the second telescopic screw rod, One screw, the second screw, the first telescopic screw rod are arranged on the second telescopic screw rod top, the first telescopic screw rod through the first screw and Both silk teeth are mutually twisted, and the second telescopic screw rod is mutually twisted through the second screw and both silk teeth, the first telescopic screw rod and the Two telescopic screw rods opposite tooth each other, the first telescopic screw rod top is fixedly connected with transmission component, and the bottom of the first telescopic screw rod is solid Surely the first synchronization steering sliding block is provided with, the second synchronization steering sliding block, first is fixedly installed at the top of the second telescopic screw rod Synchronization steering conduit is provided between female and the second screw, internal spline is provided with synchronization steering conduit, the first synchronization steering is slided Block appearance, the second synchronization steering sliding block appearance are provided with external splines, and internal spline and external splines are mutually twisted, the first synchronization steering Sliding block, the second synchronization steering sliding block can do axially reciprocating in synchronization steering conduit in spline mode.
2. synchronous push rod according to claim 1, it is characterised in that also install fixation kit and second including first and install Fixation kit, the first installation fixation kit is arranged on synchronous push rod top, and the second installation fixation kit is arranged on synchronous push rod bottom Portion.
3. synchronous push rod according to claim 1, it is characterised in that the first screw is led by second bearing with synchronization steering Pipe one end is connected, and the second screw is connected by 3rd bearing with the synchronization steering conduit other end.
4. synchronous push rod according to claim 1, it is characterised in that the synchronous push rod middle part is also arranged with outside load-bearing Pipe.
5. a kind of desk of synchronous push rod using as described in any claims of claim 1-4, it is characterised in that the table Attached bag includes the top installation portion of table leg, table top, table leg include bottom support, be vertically and fixedly arranged at it is outer in the support of bottom The middle pipe managed, be set in outer tube, is set in the inner tube in middle pipe, and middle pipe can be moved back and forth in outer inner telescoping tube, and inner tube can be Middle inner telescoping tube is moved back and forth, and the synchronous push rod is arranged in inner tube, and the synchronous push rod upper end is fixed with inner tube upper end and connected Top installation portion is connected on, the synchronous push rod bottom is fixedly connected with outer pipe bottom, synchronous push rod middle part is arranged with load-bearing outer tube, Load-bearing outer pipe bottom is fixedly connected with middle bottom of the tube.
CN201710304645.8A 2017-05-03 2017-05-03 A kind of synchronous push rod and the desk using the synchronous push rod Pending CN106923494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710304645.8A CN106923494A (en) 2017-05-03 2017-05-03 A kind of synchronous push rod and the desk using the synchronous push rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710304645.8A CN106923494A (en) 2017-05-03 2017-05-03 A kind of synchronous push rod and the desk using the synchronous push rod

Publications (1)

Publication Number Publication Date
CN106923494A true CN106923494A (en) 2017-07-07

Family

ID=59429730

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710304645.8A Pending CN106923494A (en) 2017-05-03 2017-05-03 A kind of synchronous push rod and the desk using the synchronous push rod

Country Status (1)

Country Link
CN (1) CN106923494A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107212577A (en) * 2017-08-03 2017-09-29 祝苗苗 A kind of synchronization lifting push rod device and its desk
CN107343713A (en) * 2017-07-31 2017-11-14 合肥隆延科技有限公司 A kind of intelligent shoe cabinet of adjustable space
CN110145579A (en) * 2019-05-09 2019-08-20 深圳市瑞飞科技有限公司 A kind of multi-deck extension bar
CN110772031A (en) * 2019-12-11 2020-02-11 吉林文德孚科技有限公司 Height-adjustable table
WO2021184838A1 (en) * 2020-03-19 2021-09-23 常州市凯迪电器股份有限公司 Smart lifting column transmission system assembly

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103693585A (en) * 2013-12-04 2014-04-02 镇江新区汇达机电科技有限公司 Correction mechanism for displacement errors caused by synchronized lifting of sets of screw rods
CN104254264A (en) * 2012-04-23 2014-12-31 利纳克有限公司 Lifting column
CN104305731A (en) * 2014-10-11 2015-01-28 浙江水利水电学院 Multifunctional desk
CN104454839A (en) * 2014-11-19 2015-03-25 浙江捷昌线性驱动科技股份有限公司 Extension tube linkage device
CN104595307A (en) * 2014-11-19 2015-05-06 浙江捷昌线性驱动科技股份有限公司 Electric telescopic pipe
CN105217539A (en) * 2015-10-15 2016-01-06 成都毅诚机电工程有限公司 A kind of air conditioner mounting bracket
CN205493006U (en) * 2016-03-02 2016-08-24 成都梓楠家具有限公司 Tea table device with adjustable go up and down
CN106333487A (en) * 2016-11-21 2017-01-18 常州天安尼康达电器有限公司 Synchronous lifting screw rod assembly of lifting table
CN207561552U (en) * 2017-05-03 2018-07-03 郑祥云 A kind of synchronous push rod and the desk using the synchronization push rod

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104254264A (en) * 2012-04-23 2014-12-31 利纳克有限公司 Lifting column
CN103693585A (en) * 2013-12-04 2014-04-02 镇江新区汇达机电科技有限公司 Correction mechanism for displacement errors caused by synchronized lifting of sets of screw rods
CN104305731A (en) * 2014-10-11 2015-01-28 浙江水利水电学院 Multifunctional desk
CN104454839A (en) * 2014-11-19 2015-03-25 浙江捷昌线性驱动科技股份有限公司 Extension tube linkage device
CN104595307A (en) * 2014-11-19 2015-05-06 浙江捷昌线性驱动科技股份有限公司 Electric telescopic pipe
CN105217539A (en) * 2015-10-15 2016-01-06 成都毅诚机电工程有限公司 A kind of air conditioner mounting bracket
CN205493006U (en) * 2016-03-02 2016-08-24 成都梓楠家具有限公司 Tea table device with adjustable go up and down
CN106333487A (en) * 2016-11-21 2017-01-18 常州天安尼康达电器有限公司 Synchronous lifting screw rod assembly of lifting table
CN207561552U (en) * 2017-05-03 2018-07-03 郑祥云 A kind of synchronous push rod and the desk using the synchronization push rod

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107343713A (en) * 2017-07-31 2017-11-14 合肥隆延科技有限公司 A kind of intelligent shoe cabinet of adjustable space
CN107212577A (en) * 2017-08-03 2017-09-29 祝苗苗 A kind of synchronization lifting push rod device and its desk
CN110145579A (en) * 2019-05-09 2019-08-20 深圳市瑞飞科技有限公司 A kind of multi-deck extension bar
CN110772031A (en) * 2019-12-11 2020-02-11 吉林文德孚科技有限公司 Height-adjustable table
WO2021184838A1 (en) * 2020-03-19 2021-09-23 常州市凯迪电器股份有限公司 Smart lifting column transmission system assembly

Similar Documents

Publication Publication Date Title
CN106923494A (en) A kind of synchronous push rod and the desk using the synchronous push rod
CN102659056B (en) Heavy-load high-accuracy lifting device with multiple sections capable of freely extending and retracting
CN204738515U (en) Electric lift scaffold
CN209489667U (en) A kind of telescopic same table of length
CN201087122Y (en) Three-part vertical lifting mechanism
CN209896845U (en) Double-end drive push rod, lifting leg and elevating platform
CN207253074U (en) A kind of lifting structure of same table
CN207561552U (en) A kind of synchronous push rod and the desk using the synchronization push rod
CN201002955Y (en) Lifting mechanism
CN208463231U (en) A kind of synchronization lifting push rod device and its desk
CN107212577A (en) A kind of synchronization lifting push rod device and its desk
CN112727873A (en) Flexible assembly and lift stand
CN101991494A (en) Nursing bed with function of hoisting integrally and hoisting method
CN105953048A (en) Double-screw device with hollow screw rods
CN203762559U (en) Multifunctional dining table
CN207506754U (en) A kind of full auxiliary patient manually, which moves, uses device
CN216687375U (en) Linear transmission assembly and lifting stand column
CN205690033U (en) A kind of cored screw bar twice-coiled devices
CN105686346A (en) Dual-power lifting tabletop
CN201802831U (en) Lifting device
CN212972137U (en) Lifting table leg and electric lifting table applied to same
CN206482304U (en) Lifting landing leg assembly
CN212991782U (en) Electric power that can multi-angle use was adjusted overhauls frame structure
CN204698868U (en) A kind of multifunction nursing bed
CN209847210U (en) Deformable detection device convenient for CT (computed tomography) examination of mobility-impaired people

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170707

WD01 Invention patent application deemed withdrawn after publication